• 3/8" Drive, 22mm, 6-Flat : A standard size that fits lambda probes used in most passenger cars and light commercial vehicles. The hex socket provides a firm grip on the probe and prevents it from slipping during removal or installation.
• 3/8" Driver, 22mm, 6 flat, extended : Similar to the key mentioned above, but with an extended design, which allows access to hard-to-reach or deeper-located lambda probes.
• 1/2" Drive, 22mm, 12 Blades : This wrench with a larger driver is ideal for heavier probes that require more force. The twelve blade design provides even more grip and precision, reducing the chance of the key slipping off the probe .

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